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Cardiff to London Bus

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15/11/2025
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Cardiff to London by bus

The journey from Cardiff to London by bus is 214.04 km and takes 3 hrs 58 mins. There are 146 connections per day, with the first departure at 12:45 am and the last at 11:40 pm. It is possible to travel from Cardiff to London by bus for as little as RM 39.11 or as much as RM 142.58. The best price for this journey is RM 39.11.

Lowest Price RM 39.11
Journey Duration 3 hrs 58 mins
Connection per Day 146
Lowest Price RM 39.11
Highest Price RM 142.58
First Departure 12:45 am
Last Departure 11:40 pm
Distance 214.04 km
Departure Cardiff
Arrival London
Carriers FlixBus, National Express

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Price as departure date approaches

Bus companies may charge higher ticket prices as the date of departure approaches. Prices in the next days can range from around RM 24.24 to RM 88.32 but may be subject to change. Our advice is to book as early as possible to potentially save up to 73% on your trip!

Find the best day to travel to London by bus

When travelling to London by bus, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board FlixBus and National Express from Cardiff to London
Compare services on board when travelling from Cardiff to London by bus.
Facilities FlixBus National Express
power_sockets Power sockets check check
luggage Luggage check check
food_and_drink Food and drink check check
air_con Air conditioning check check
wifi WiFi check check
accessibility Accessibility check check
bicycle Bicycle check check
entertainment_portal Entertainment Portal check cross
mobility_and_wheelchair_services landingPage.services.mobility_and_wheelchair_services check cross
quiet_zone Quiet zone cross check
sleeper_couchette Sleeper cross check

Cardiff to London CO2 Emissions by Bus

Ecology
Train
14.98kg
Bus
16.05kg
Flight
42.81kg
Car
34.25kg

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Frequently Asked Questions

How much is a bus ticket from Cardiff to London?
A bus ticket from Cardiff to London is RM 73.50. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as RM 39.11.
What's the cheapest bus ticket from Cardiff to London?
The cheapest ticket you can get from Cardiff to London is RM 39.11. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Cardiff and London by bus?
Cardiff to London is 214.04 km.
How long does the bus between Cardiff and London take?
Cardiff to London is on average 3 hrs 58 mins. However the fastest option will get you there in 2 hrs 45 mins.
Which companies operate from Cardiff to London?
The bus journey from Cardiff to London is covered by 1 operator(s). On Virail you can find these carriers that provide services on this route: FlixBus and National Express.
How many bus connections per day go from Cardiff to London?
Cardiff to London has 146 connection(s) per day on average.
What time does the first bus from Cardiff to London leave?
The earliest bus from Cardiff to London departs at 12:45 am. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last bus from Cardiff to London depart?
The latest bus from Cardiff to London departs at 11:40 pm. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Cardiff to London in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest bus ticket we have found is RM 39.11 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
How many direct connections depart from Cardiff to London?
There are on average 134 direct connection(s) from Cardiff to go to London.
What's the fastest journey time between Cardiff to London by bus?
The fastest journey time by bus between Cardiff and London is 2 hrs 45 mins.
Is there a direct bus from Cardiff to London?
Yes, there is a direct bus between Cardiff and London.
What are the CO2 emissions for Cardiff to London by bus?
The bus journey from Cardiff to London creates 16.05kg of CO2 emissions.

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